EFM32 Happy Gecko Software Documentation
efm32hg-doc-5.1.2
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Inter-integrated Circuit (I2C) Peripheral API.
Copyright 2016 Silicon Laboratories, Inc. http://www.silabs.com
Permission is granted to anyone to use this software for any purpose, including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions:
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Silicon Labs will not be liable for any consequential, incidental, or special damages, or any other relief, or for any claim by any third party, arising from your use of this Software.
Definition in file em_i2c.c.
#include "em_i2c.h"
#include "em_cmu.h"
#include "em_bus.h"
#include "em_assert.h"
#include <limits.h>
Go to the source code of this file.
Functions | |
uint32_t | I2C_BusFreqGet (I2C_TypeDef *i2c) |
Get current configured I2C bus frequency. More... | |
void | I2C_BusFreqSet (I2C_TypeDef *i2c, uint32_t freqRef, uint32_t freqScl, I2C_ClockHLR_TypeDef i2cMode) |
Set I2C bus frequency. More... | |
void | I2C_Enable (I2C_TypeDef *i2c, bool enable) |
Enable/disable I2C. More... | |
void | I2C_Init (I2C_TypeDef *i2c, const I2C_Init_TypeDef *init) |
Initialize I2C. More... | |
void | I2C_Reset (I2C_TypeDef *i2c) |
Reset I2C to same state as after a HW reset. More... | |
I2C_TransferReturn_TypeDef | I2C_Transfer (I2C_TypeDef *i2c) |
Continue an initiated I2C transfer (single master mode only). More... | |
I2C_TransferReturn_TypeDef | I2C_TransferInit (I2C_TypeDef *i2c, I2C_TransferSeq_TypeDef *seq) |
Prepare and start an I2C transfer (single master mode only). More... | |